The Argus 2 requires an external power supply paired with external hardware, like goggles that collect pictures and send them directly to the optic nerve.

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This system securely mounts a Mac mini inside a specially designed 1U enclosure, which also contains one PCIe 2.0 x4 slot, a 75W power supply plus a Thunderbolt daisy-chain port.

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For radar systems as presently understood to detect and track a B-2, an enormous energy supply would be needed to power the search radar.

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Perfect for slipping into a laptop bag or pocket, all of Iomega's 2.5-inch portable hard drives are host powered, requiring no external power supply beyond the power provided through the USB bus on a personal computer, laptop or netbook.

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It has Burr-Brown 2 Channel low-noise Op Amp, ELNA Audio Grade Capacitor and a R-core linear power supply - doesn't mean that much too you?

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